What is CVE-2023-30691?

CVE-2023-30691 is a high-severity vulnerability in Samsung Android, classified under Incorrect Privilege Assignment. CVSS score: 8.4/10. Published 2023-08-10.

How severe is CVE-2023-30691?

High severity. CVSS v3 base score is 8.4 out of 10.

Privilege escalation in Samsung Android

CVE-2023-30691

Parcel mismatch in AuthenticationConfig prior to SMR Aug-2023 Release 1 allows local attacker to privilege escalation.

Published 2023-08-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Samsung Android — versions 11.0, 12.0, 13.0
Samsung Mobile Devices — versions SMR Aug-2023 Release 1

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

References

security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2023-30691?: CVE-2023-30691 is a high-severity vulnerability in Samsung Android, classified under Incorrect Privilege Assignment. CVSS score: 8.4/10. Published 2023-08-10.
How severe is CVE-2023-30691?: High severity. CVSS v3 base score is 8.4 out of 10.